mirror of
https://github.com/Ed1s0nZ/CyberStrikeAI.git
synced 2026-03-31 08:19:54 +02:00
91 lines
2.0 KiB
Go
91 lines
2.0 KiB
Go
package database
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import (
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"database/sql"
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"fmt"
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_ "github.com/mattn/go-sqlite3"
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"go.uber.org/zap"
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)
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// DB 数据库连接
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type DB struct {
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*sql.DB
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logger *zap.Logger
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}
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// NewDB 创建数据库连接
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func NewDB(dbPath string, logger *zap.Logger) (*DB, error) {
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db, err := sql.Open("sqlite3", dbPath+"?_journal_mode=WAL&_foreign_keys=1")
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if err != nil {
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return nil, fmt.Errorf("打开数据库失败: %w", err)
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}
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if err := db.Ping(); err != nil {
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return nil, fmt.Errorf("连接数据库失败: %w", err)
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}
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database := &DB{
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DB: db,
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logger: logger,
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}
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// 初始化表
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if err := database.initTables(); err != nil {
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return nil, fmt.Errorf("初始化表失败: %w", err)
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}
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return database, nil
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}
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// initTables 初始化数据库表
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func (db *DB) initTables() error {
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// 创建对话表
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createConversationsTable := `
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CREATE TABLE IF NOT EXISTS conversations (
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id TEXT PRIMARY KEY,
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title TEXT NOT NULL,
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created_at DATETIME NOT NULL,
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updated_at DATETIME NOT NULL
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);`
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// 创建消息表
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createMessagesTable := `
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CREATE TABLE IF NOT EXISTS messages (
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id TEXT PRIMARY KEY,
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conversation_id TEXT NOT NULL,
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role TEXT NOT NULL,
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content TEXT NOT NULL,
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mcp_execution_ids TEXT,
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created_at DATETIME NOT NULL,
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FOREIGN KEY (conversation_id) REFERENCES conversations(id) ON DELETE CASCADE
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);`
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// 创建索引
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createIndexes := `
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CREATE INDEX IF NOT EXISTS idx_messages_conversation_id ON messages(conversation_id);
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CREATE INDEX IF NOT EXISTS idx_conversations_updated_at ON conversations(updated_at);
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`
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if _, err := db.Exec(createConversationsTable); err != nil {
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return fmt.Errorf("创建conversations表失败: %w", err)
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}
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if _, err := db.Exec(createMessagesTable); err != nil {
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return fmt.Errorf("创建messages表失败: %w", err)
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}
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if _, err := db.Exec(createIndexes); err != nil {
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return fmt.Errorf("创建索引失败: %w", err)
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}
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db.logger.Info("数据库表初始化完成")
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return nil
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}
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// Close 关闭数据库连接
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func (db *DB) Close() error {
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return db.DB.Close()
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}
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